Prepared By: Reza Madankan  Ting-Chiun Chung
<ul><li>Introduction to Swarm Robots </li></ul><ul><li>Different types of swarm robots </li></ul><ul><li>Swarm Specificati...
 
<ul><li>Self-organizing natural systems </li></ul><ul><ul><li>Social insect systems: ants, termites, wasps, bees, cockroac...
<ul><li>Definition: </li></ul><ul><li>a Swarm consists of (i) a large number of (ii) homogenous (iii) autonomous (iv) rela...
<ul><li>Transportation </li></ul><ul><li>Search & Rescue </li></ul><ul><li>Mine Detection </li></ul><ul><li>Surveillance &...
<ul><li>A larger range of task domain </li></ul><ul><li>Greater efficiency </li></ul><ul><li>Improved system performance <...
 
<ul><li>Swarm Robots are classified to different types according to the following criteria: </li></ul><ul><ul><li>Swarm Si...
<ul><li>Reconfigurability </li></ul><ul><li>Scalability </li></ul><ul><li>Robustness </li></ul>
<ul><li>What is Reconfigurability? </li></ul><ul><li>Reconfigurability is the rate at which the swarm can spatially reorga...
<ul><li>Ability to operate under a wide range of group sizes. </li></ul><ul><li>In other words, coordination mechanisms ar...
<ul><li>Swarm Robots can continue to operate despite large disturbances because of: </li></ul><ul><ul><li>Redundancy </li>...
 
<ul><li>Microscopic </li></ul><ul><ul><li>Treats the robot as the fundamental unit of the model. </li></ul></ul><ul><ul><l...
<ul><li>- Technical challenges to scalability  </li></ul><ul><li>- Performing physical tasks in the real world </li></ul>
<ul><li>Chain Formation </li></ul><ul><li>Aggregation </li></ul><ul><li>Obstacle Avoidance & Beacon Navigation </li></ul><...
 
<ul><li>The communication and robot location system iRobot ISIS allow each robot to commute with its neighbors and determi...
<ul><li>Primitive Behaviors </li></ul><ul><ul><li>These low-level behaviors do not interact with other robots at all. They...
<ul><li>In Chain Formation problem, the aim is to move the robots so that they form a chain pattern. </li></ul><ul><li>The...
+ The goal of the clustering behavior is to move the swarm to a centralized location  in as small an area as possible. +  ...
 
 
 
 
<ul><li>“ A Taxonomy for Swarm Robots”, G. Dudek! M. Jenkinj E. Milios! and D. Wilkest </li></ul><ul><li>“ A Review of Stu...
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Multi Robot Swarm Systems

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  • Multi Robot Swarm Systems

    1. 1. Prepared By: Reza Madankan Ting-Chiun Chung
    2. 2. <ul><li>Introduction to Swarm Robots </li></ul><ul><li>Different types of swarm robots </li></ul><ul><li>Swarm Specifications </li></ul><ul><li>Used methods in Swarm modeling </li></ul><ul><li>Future Challenges </li></ul><ul><li>Examples </li></ul><ul><li>References </li></ul>
    3. 4. <ul><li>Self-organizing natural systems </li></ul><ul><ul><li>Social insect systems: ants, termites, wasps, bees, cockroaches, locusts… </li></ul></ul><ul><ul><li>Animals with social behaviors: penguins, birds, fish, sheep... </li></ul></ul><ul><li>Artificial self-organizing systems </li></ul><ul><ul><li>Amorphous computing </li></ul></ul>
    4. 5. <ul><li>Definition: </li></ul><ul><li>a Swarm consists of (i) a large number of (ii) homogenous (iii) autonomous (iv) relatively incapable or inefficient robots with (v) local sensing and communication capabilities. </li></ul>In other words, Swarm robotics is the study of how large number of relatively simple physically embodied agents can be designed such that a desired collective behavior emerges from the local interactions among agents and between the agents and the environment.
    5. 6. <ul><li>Transportation </li></ul><ul><li>Search & Rescue </li></ul><ul><li>Mine Detection </li></ul><ul><li>Surveillance & Monitoring </li></ul><ul><li>Medical Service using small-size robots </li></ul><ul><li>Military . . . </li></ul>
    6. 7. <ul><li>A larger range of task domain </li></ul><ul><li>Greater efficiency </li></ul><ul><li>Improved system performance </li></ul><ul><li>Fault tolerance </li></ul><ul><li>Robustness </li></ul><ul><li>Lower economic cost </li></ul>
    7. 9. <ul><li>Swarm Robots are classified to different types according to the following criteria: </li></ul><ul><ul><li>Swarm Size </li></ul></ul><ul><ul><ul><li>Pair 2 Robots </li></ul></ul></ul><ul><ul><ul><li>Limited Group multiple Robots </li></ul></ul></ul><ul><ul><ul><li>Infinite Group n>>1 Robots </li></ul></ul></ul><ul><ul><li>Communication Range </li></ul></ul><ul><ul><ul><li>None-Communicative Robots </li></ul></ul></ul><ul><ul><ul><li>Near-Communicative Robots </li></ul></ul></ul><ul><ul><ul><li>Infinite communicative Robots </li></ul></ul></ul><ul><ul><li>Communication Topology </li></ul></ul><ul><ul><ul><li>Top-Broad </li></ul></ul></ul><ul><ul><ul><ul><li>Every robot can communicate with all of the other robots, but it is not able to send a message to a particular robot </li></ul></ul></ul></ul><ul><ul><ul><li>Top-Address </li></ul></ul></ul><ul><ul><ul><ul><li>Every robot can communicate with any arbitrary robot by name or address </li></ul></ul></ul></ul><ul><ul><ul><li>Top-Tree </li></ul></ul></ul><ul><ul><ul><ul><li>Robots are linked in a tree & may only communicate through this hierarchy </li></ul></ul></ul></ul><ul><ul><ul><li>Top-Graph </li></ul></ul></ul><ul><ul><ul><ul><li>Robots are linked in a general graph </li></ul></ul></ul></ul>
    8. 10. <ul><li>Reconfigurability </li></ul><ul><li>Scalability </li></ul><ul><li>Robustness </li></ul>
    9. 11. <ul><li>What is Reconfigurability? </li></ul><ul><li>Reconfigurability is the rate at which the swarm can spatially reorganize itself. </li></ul><ul><li>Reconfigurability is equivalent to the rate at which members can move with respect to one another . </li></ul>
    10. 12. <ul><li>Ability to operate under a wide range of group sizes. </li></ul><ul><li>In other words, coordination mechanisms are rather independent of the number of individuals in the group. </li></ul>
    11. 13. <ul><li>Swarm Robots can continue to operate despite large disturbances because of: </li></ul><ul><ul><li>Redundancy </li></ul></ul><ul><ul><li>Simplicity of the individuals </li></ul></ul>
    12. 15. <ul><li>Microscopic </li></ul><ul><ul><li>Treats the robot as the fundamental unit of the model. </li></ul></ul><ul><ul><li>Describes the robot’s interactions with other robots & the environment. </li></ul></ul><ul><li>Macroscopic </li></ul><ul><ul><li>Directly describes the collective behavior of the robotic swarm. </li></ul></ul><ul><ul><li>Computationally efficient because of fewer variables </li></ul></ul>
    13. 16. <ul><li>- Technical challenges to scalability </li></ul><ul><li>- Performing physical tasks in the real world </li></ul>
    14. 17. <ul><li>Chain Formation </li></ul><ul><li>Aggregation </li></ul><ul><li>Obstacle Avoidance & Beacon Navigation </li></ul><ul><li>Dispersing </li></ul><ul><li>Self Assembly </li></ul>
    15. 19. <ul><li>The communication and robot location system iRobot ISIS allow each robot to commute with its neighbors and determined their range, bearing, and orientation </li></ul>
    16. 20. <ul><li>Primitive Behaviors </li></ul><ul><ul><li>These low-level behaviors do not interact with other robots at all. They provide low-level motion control and obstacle avoidance for an individual robot. </li></ul></ul><ul><ul><li>EX: move or stop a robot </li></ul></ul><ul><li>Pair Behaviors </li></ul><ul><ul><li>Pair behaviors also direct the actions of a single active robot, but they use the position and current state of only one neighbor that is the reference robot. </li></ul></ul><ul><ul><li>EX: Orient to another robot, fellow a robot </li></ul></ul><ul><li>Group Behaviors </li></ul><ul><ul><li>These behaviors form the bulk of the behavior library. They are responsible for guiding the actions of a single active robot based on the positions and current state of all of its neighbors. The entire set of neighbors are the reference robots. </li></ul></ul><ul><ul><li>EX: Follow a leader, clustering, grouping. </li></ul></ul>
    17. 21. <ul><li>In Chain Formation problem, the aim is to move the robots so that they form a chain pattern. </li></ul><ul><li>The follow The Leader behavior dynamically constructs an ordered line of robots. This line is suitable for leading a group of robots into an area. Another behavior is required to control the leader. </li></ul>
    18. 22. + The goal of the clustering behavior is to move the swarm to a centralized location in as small an area as possible. + The clusterIntoGroups behavior implements a primitive form of division of labor. It operates in two `steps; first, each robot selects a group to join, then the behavior moves robots in the same groups together, while moving entire groups away from each other.
    19. 27. <ul><li>“ A Taxonomy for Swarm Robots”, G. Dudek! M. Jenkinj E. Milios! and D. Wilkest </li></ul><ul><li>“ A Review of Studies in Swarm Robotics”, L. Bayindir, E. Sahin. </li></ul><ul><li>“ A Review of Probabilistic Macroscopic Models for Swarm Robotic Systems”, K. Lerman, A. Martinoli, A. Galstyan. </li></ul><ul><li>- “Stupid Robot Tricks: A Behavior-Based Distributed Algorithm Library for Programming Swarms of Robots”, J. McLurkin </li></ul><ul><li>- “Swarm Robotics: From sources of inspiration to domains of application”, E. Sahin. </li></ul>
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